1. When the balloon was over the station, the pilot saw one of the men taking photographs.
    当气球飞临基地上空时，飞行员看见有一个人在拍照。

2. The balloon descended gradually as the air came out.
    气球空气外逸而缓缓下降.

3. The balloon carried two large parachutes .
    气球携带着两个大型降落伞。

4. The pilot managed to circle the balloon for some time.
    飞行员设法绕着气球飞了一阵。

5. A pilot noticed a balloon which seemed to be making for a Royal Air Force Station nearby.
    一位飞行员注意到有一个气球似乎朝着附近的皇家空军基地飞去。

6. A pilot noticed a balloon which seemed to be making for a Royal Air Force Station nearby.
    一个飞行员发现了一只气球，它像是正飞往附近的一个皇家空军基地。

7. Soon afterwards, the balloon began to descend and it landed near an airfield.
    不久，气球开始降落，在一个停机坪附近着了陆。